Easy Mongolian Beef - cooking recipe

Ingredients

1 tablespoon vegetable oil
2 onions, sliced
1 teaspoon minced ginger
2 tablespoons chopped fresh garlic (or to taste)
1 teaspoon dried red pepper flakes (or to taste)
1/2 cup soy sauce
1/2 cup water
1/4 teaspoon black pepper
3/4 cup dark brown sugar
1 cup vegetable oil
1 lb flank steak (cut across the grain into 1/4-inch thick slices)
1/4 cup cornstarch
black pepper

Preparation

Heat 1 tablespoon of oil in wok over high heat; add in onion and stir-fry for 2 minutes or until browned; remove onion to a bowl.
For the sauce; in a saucepan over medium-low heat; add in ginger, garlic red pepper flakes and soy sauce, water and black pepper.
Add in the brown sugar to the saucepan then increase the heat to medium and boil 2-3 minutes or until thickened; remove from heat.
Toss the beef strips with the cornstarch to coat; let sit for about 8-10 minutes.
Meanwhile heat 1 cup oil in the wok until hot but not smoking; add in the beef and saute for about 2 minutes or until the beef is just cooked through (you do not have to cook the beef completely as it will cook more after) remove with a slotted spoon to a paper towel remove the oil from the wok.
Return the wok back to the heat and put the meat back in the wok along with the onions; then add in the sauce and cook for 1 minute stirring.
Cook for about 1 minute more.
serve on rice and sprinkle a small amount of chopped onions over the top.